<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>Hello World!</title>
  </head>
  <body>
    <div id="title">
      Hello World!
    </div>
  </body>
  <p>
    <button src="scripts/1.js" onClick = "setRed()">字体变红</button>
  </p>
  <p>
    <button src="scripts/1.js" onClick = "reset()">字体复原</button>
  </p>
  <script src="scripts/1.js"></script>
  
</html>